[1.0.X] Fixed #9592 -- Create data for the generic_inline_admin test during...

[1.0.X] Fixed #9592 -- Create data for the generic_inline_admin test during setup instead of via a fixutre since it uses a content type id which will vary depending on what other tests have been run.

r9438 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9439 bcc190cf-cafb-0310-a4f2-bffc1f526a37